There are so many great free applications for iPod touch. Such as the tap tap revenge, Pandora Radio, Flixster, AF Pro, Cube Runner II and Joost all are my favorite. All are awesome apps and game. I think you will also like these.

Ok, I am telling about some free apps which you can use on your 4G iPod touch. These are Facebook, Flight Doodle, Hulu Plus, skype, talking tom, photoshop, Pocket Frogs etc. I hope you have got your favorite free apps from my reply.